Folding Or Detachable Shaft Patents (Class 473/531)
  • Patent number: 10413806
    Abstract: A cue butt with ball control enhancement function and a billiard cue thereof are disclosed. The cue butt is combined with a cue shaft of the billiard cue. The cue butt includes a core rod and an external body mounted around an outer edge of the core rod, wherein the external body includes a plurality of strip shaped casing members disposed around a central axis of the core rod. With such configuration, the stability of ball control during the billiard sport is improved.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: September 17, 2019
    Assignee: HAMSON GLOBAL CO., LTD
    Inventor: Shan-Huei Kuo
  • Patent number: 9377041
    Abstract: A connecting device for connecting implements to poles is provided. In one example, the connecting device is configured to connect a lacrosse head to a pole. The pole comprises an elongated hollow cross section and has at least one hole located along a sidewall. Contained in the inner portion of the hollow cross section is the connecting device. The connecting device further comprises a fastening receiving portion substantially aligned to the hole located along the side wall of the pole for receiving a fastener. The lacrosse head contains a receiving portion complimentary in shape to fit on the pole and further includes a mounting hole. When the lacrosse head is assembled to the pole, the mounting hole on the lacrosse head is substantially aligned to the hole located on the side wall of the pole and the fastening receiving portion.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: June 28, 2016
    Inventors: Anthony Sgroi, Jr., Joseph K Patterson
  • Patent number: 6030302
    Abstract: The games racket comprises a head (1) and a shaft (2), the shaft being fitted with a separable extension module (8) bearing a hand grip. The two components (2, 8) are locked rigidly together by a wedging action. Preferably the shaft (2) is provided at its free end with legs (4, 5) defining a slot (6) which has wedge profiles (7) formed in it. The extension module (8) is push fitted over the legs (4, 5) and a locking device (12, 13) is inserted into the slot (6), the locking device having a wedging element (13) which bears against the wedge profiles (7). Various extension modules (8) can be stocked at the point of sale of the racket in order to provide rackets of differing lengths and/or grip sizes.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: February 29, 2000
    Assignee: Dunlop Slazenger Group Limited
    Inventor: Robert Marek Chojnacki